InChI=1S/C18H22O11/c1-4-5-7-11(24-2)15-16(27-6-26-15)14(25-3)12(7)28-18-10(21)8(19)9(20)13(29-18)17(22)23/h4,8-10,13,18-21H,1,5-6H2,2-3H3,(H,22,23)